AMD Radeon RX 6550M vs AMD Radeon HD 7850M

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6550M and 2GB VRAM Radeon HD 7850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6550M 's Advantages

Released 10 years and 9 months late

Boost Clock2840MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (144.0GB/s vs 64.00GB/s)

384 additional rendering cores

AMD Radeon HD 7850M 's Advantages

Lower TDP (40W vs 80W)

Score

Benchmark

FP32 (float)

Radeon RX 6550M +573%

5.816 TFLOPS

Radeon HD 7850M

0.864 TFLOPS

Radeon RX 6550M

VS

Radeon HD 7850M

Graphics Card

Jan 2023

Release Date

Apr 2012

Navi Mobile

Generation

London

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

2000 MHz

Base Clock

-

2840 MHz

Boost Clock

-

2250 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

128bit

144.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

16

Compute Units

10

1024

Shading Units

640

64

TMUs

40

32

ROPs

16

-

Tensor Cores

-

16

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

90.88 GPixel/s

Pixel Rate

10.80 GPixel/s

181.8 GTexel/s

Texture Rate

27.00 GTexel/s

11.63 TFLOPS

FP16 (half)

-

5.816 TFLOPS

FP32 (float)

864.0 GFLOPS

363.5 GFLOPS

FP64 (double)

54.00 GFLOPS

Graphics Processor

Navi 24

GPU Name

Heathrow

Navi 24

GPU Variant

Heathrow PRO

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

1.5 billion

107 mm²

Die Size

123 mm²

Board Design

80W

TDP

40W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.7

Shader Model

5.1

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